1-((1R,6R,8R,9S)-9-(benzyloxy)-6-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-2,5,7-trioxabicyclo[4.2.1]nonan-8-yl)-3-((benzyloxy)methyl)-5-methylpyrimidine-2,4(1H,3H)-dione

(3'S,5'R)-1-<2'-deoxy-5'-O-<(4,4'-dimethoxytriphenyl)methyl>-3',5'-ethano-α-D-ribofuranosyl>thymine

1-{(1aR,1bS,3R,4aS,5aR)-1a-[Bis-(4-methoxy-phenyl)-phenyl-methoxy]-4a-hydroxy-octahydro-2-oxa-cyclopropa[a]pentalen-3-yl}-5-methyl-1H-pyrimidine-2,4-dione

(3'S,5'R,6'R)-1-{6'-acetamido-2'-deoxy-5'-O-[(4,4'-dimethoxytriphenyl)methyl]-3',5'-ethano-β-D-ribofuranosyl}thymine